38721078342674 has 48 divisors (see below), whose sum is σ = 72991119356568. Its totient is φ = 15269906147328.

The previous prime is 38721078342601. The next prime is 38721078342757. The reversal of 38721078342674 is 47624387012783.

It can be written as a sum of positive squares in 4 ways, for example, as 26510295904225 + 12210782438449 = 5148815^2 + 3494393^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47535119 + ... + 48342834.

Almost surely, 2^{38721078342674} is an apocalyptic number.

38721078342674 is a deficient number, since it is larger than the sum of its proper divisors (34270041013894).

38721078342674 is a wasteful number, since it uses less digits than its factorization.

38721078342674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95878299 (or 95878292 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 62.

The spelling of 38721078342674 in words is "thirty-eight trillion, seven hundred twenty-one billion, seventy-eight million, three hundred forty-two thousand, six hundred seventy-four".